Prudent Dog Rightly Fears What Lies in the Fathomless DeepTOYOOKA, JAPAN - AUGUST 04: A woman pulls her pet dog in the water at Takeno Beach on August 4, 2013 in Toyooka, Japan. This beach is open for dogs and their owners every summer between the months of June and September. (Photo by Buddhika Weerasinghe/Getty Images)